Metals Calibration Standard Revised Back Catalog number: 50189 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2037.8-50-ME Perfluorooctane sulfonic acid , 50ug/ml, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 1763-23-1 Price on request X9087 a,a-Dimethylphenethylamine Price on request 11853.19-100-MEX5 Propargite,100 µg/mL ,MeOH,1mL, Price on request